diff --git a/coreutils-i18n.patch b/coreutils-i18n.patch
index 5bc56d1..5932f29 100644
--- a/coreutils-i18n.patch
+++ b/coreutils-i18n.patch
@@ -498,7 +498,7 @@ diff -urNp coreutils-8.21-orig/src/cut.c coreutils-8.21/src/cut.c
          case 'f':
            /* Build the field list. */
            if (operating_mode != undefined_mode)
-@@ -808,10 +1150,35 @@ main (int argc, char **argv)
+@@ -808,10 +1150,36 @@ main (int argc, char **argv)
          case 'd':
            /* New delimiter. */
            /* Interpret -d '' to mean 'use the NUL byte as the delimiter.'  */
@@ -523,6 +523,7 @@ diff -urNp coreutils-8.21-orig/src/cut.c coreutils-8.21/src/cut.c
 +                      if (wcdelim != L'\0' && *(optarg + delimlen) != '\0')
 +                        FATAL_ERROR (_("the delimiter must be a single character"));
 +                      memcpy (mbdelim, optarg, delimlen);
++                      mbdelim[delimlen] = '\0';
 +                    }
 +                }
 +
diff --git a/coreutils.spec b/coreutils.spec
index 0c3ceda..11b9822 100644
--- a/coreutils.spec
+++ b/coreutils.spec
@@ -1,7 +1,7 @@
 Summary: A set of basic GNU tools commonly used in shell scripts
 Name:    coreutils
 Version: 8.21
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPLv3+
 Group:   System Environment/Base
 Url:     http://www.gnu.org/software/coreutils/
@@ -376,6 +376,9 @@ fi
 %{_sbindir}/chroot
 
 %changelog
+* Mon Feb 18 2013 Mark Wielaard <mjw@redhat.com> 8.21-3
+- fix coreutils-i18n.patch to terminate mbdelim string (#911929)
+
 * Mon Feb 18 2013 Ondrej Vasik <ovasik@redhat.com> 8.21-2
 - remove unnecessary powerpc factor patch